<div class="modal fade" id="dialog-alert" tabindex="-1" role="dialog">
    <div class="modal-dialog" style="padding-top: 50px;">
        <div class="modal-content">
            <div class="modal-header">
                <button type="button" class="close" data-dismiss="modal"
                        aria-hidden="true">&times;</button>
                <h4 class="modal-title">Thông báo</h4>
            </div>
            <div class="modal-body"></div>
            <div class="modal-footer">
                <button type="button" class="btn btn-default" data-dismiss="modal">
                    Đóng
                </button>
            </div>
        </div>
    </div>
</div>